378813533351 has 8 divisors (see below), whose sum is σ = 413918745600. Its totient is φ = 343819590840.

The previous prime is 378813533309. The next prime is 378813533377. The reversal of 378813533351 is 153335318873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378813533351 - 2¹⁴ = 378813516967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378813533351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378813533381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27810311 + ... + 27823928.

It is an arithmetic number, because the mean of its divisors is an integer number (51739843200).

Almost surely, 2^378813533351 is an apocalyptic number.

378813533351 is a deficient number, since it is larger than the sum of its proper divisors (35105212249).

378813533351 is a wasteful number, since it uses less digits than its factorization.

378813533351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55634869.

The product of its digits is 2721600, while the sum is 50.

The spelling of 378813533351 in words is "three hundred seventy-eight billion, eight hundred thirteen million, five hundred thirty-three thousand, three hundred fifty-one".